Curtain enclosure



FIG. 1 is a front perspective view of a curtain enclosure of the present design, shown in a position of use.

FIG. 2 is a rear perspective view thereof.

FIG. 3 is a top plan view of the curtain enclosure shown in FIG. 1; and,

FIG. 4 is a side elevational view of the curtain enclosure shown in FIG. 1.

The broken lines showing a bathtub and flooring depict environmental subject matter that forms no part of the claimed design. 

CLAIM The ornamental design for a curtain enclosure, as shown and described. 